1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <regex>
11 
12 // class regex_token_iterator<BidirectionalIterator, charT, traits>
13 
14 // const value_type& operator*() const;
15 
16 #include <regex>
17 #include <cassert>
18 
19 int main()
20 {
21     {
22         std::regex phone_numbers("\\d{3}-\\d{4}");
23         const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
24         std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
25                                      phone_numbers, -1);
26         assert(i != std::cregex_token_iterator());
27         assert((*i).str() == "start ");
28         ++i;
29         assert(i != std::cregex_token_iterator());
30         assert((*i).str() == ", ");
31         ++i;
32         assert(i != std::cregex_token_iterator());
33         assert((*i).str() == ", ");
34         ++i;
35         assert(i != std::cregex_token_iterator());
36         assert((*i).str() == " end");
37         ++i;
38         assert(i == std::cregex_token_iterator());
39     }
40     {
41         std::regex phone_numbers("\\d{3}-\\d{4}");
42         const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
43         std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
44                                      phone_numbers);
45         assert(i != std::cregex_token_iterator());
46         assert((*i).str() == "555-1234");
47         ++i;
48         assert(i != std::cregex_token_iterator());
49         assert((*i).str() == "555-2345");
50         ++i;
51         assert(i != std::cregex_token_iterator());
52         assert((*i).str() == "555-3456");
53         ++i;
54         assert(i == std::cregex_token_iterator());
55     }
56     {
57         std::regex phone_numbers("\\d{3}-(\\d{4})");
58         const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
59         std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
60                                      phone_numbers, 1);
61         assert(i != std::cregex_token_iterator());
62         assert((*i).str() == "1234");
63         ++i;
64         assert(i != std::cregex_token_iterator());
65         assert((*i).str() == "2345");
66         ++i;
67         assert(i != std::cregex_token_iterator());
68         assert((*i).str() == "3456");
69         ++i;
70         assert(i == std::cregex_token_iterator());
71     }
72 }
73